/*
 * Copyright (c) 2006, 2022, webrx.cn All rights reserved.
 *
 */
package cn.webrx;

/**
 * <p>Project: jse2204 - DbUtil
 * <p>Powered by webrx On 2022-09-09 11:39:12
 *
 * @author webrx [webrx@126.com]
 * @version 1.0
 * @since 17
 */
public abstract class DbUtil{
    public abstract void connection();
    public abstract int delById(int id);
    public abstract int save();
    public int pf(int i){
        return i*i;
    }
}
